Overview
The LM339DBRE4 is a quad voltage comparator integrated circuit produced by Texas Instruments. It is designed for a wide range of applications, including industrial automation, consumer electronics, and automotive systems. This model is part of the LM339 series, known for its versatility and reliability in voltage comparison tasks. The LM339DBRE4 is particularly valued for its low power consumption, wide operating voltage range, and compatibility with various logic families. It is housed in a SOIC-14 package, making it suitable for compact and space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 36 | V | Single or dual supply |
| Input Offset Voltage | ±2 | mV | Typical |
| Input Bias Current | 25 | nA | Maximum |
| Output Current | 20 | mA | Sink |
| Operating Temperature | 0 to +70 | °C | Commercial range |
| Package | SOIC-14 | Surface mount |
Key Features
- Wide supply voltage range: Operates from single or dual power supplies.
- Low input bias current: Ensures minimal loading on signal sources.
- Open-collector outputs: Allows for flexible output configurations.
- High accuracy: Low input offset voltage for precise comparisons.
- Compact packaging: SOIC-14 form factor suitable for space-saving designs.
Applications
The LM339DBRE4 is widely used in various applications such as voltage monitoring, level detection, and signal conditioning. In industrial automation, it is employed for threshold detection and control systems. In consumer electronics, it is used in battery management and power supply monitoring. Automotive applications include sensor signal processing and safety systems. Its robustness and flexibility make it a preferred choice for designers across multiple industries.
Q & A
What is the operating voltage range of LM339DBRE4?
The LM339DBRE4 operates from a supply voltage range of 2V to 36V, supporting both single and dual power supplies.
What is the typical input offset voltage?
The typical input offset voltage is ±2mV.
What is the maximum input bias current?
The maximum input bias current is 25nA.
What is the output current capability?
The output can sink up to 20mA.
What is the operating temperature range?
The operating temperature range is 0°C to +70°C.
What package does LM339DBRE4 come in?
It comes in a SOIC-14 package.
Can LM339DBRE4 be used with TTL logic?
Yes, its outputs are compatible with TTL, DTL, MOS, and CMOS logic families.
What are the key features of LM339DBRE4?
Key features include wide supply voltage range, low input bias current, open-collector outputs, and high accuracy.
What are typical applications of LM339DBRE4?
Typical applications include voltage monitoring, level detection, and signal conditioning in industrial, consumer, and automotive systems.
Is LM339DBRE4 suitable for battery-powered devices?
Yes, its low power consumption makes it suitable for battery-powered applications.
